anatase

[ an-uh-teys, -teyz ]
/ ˈæn əˌteɪs, -ˌteɪz /

noun Mineralogy.

a naturally occurring crystalline form of titanium dioxide, TiO2.
Also called octahedrite.

Origin of anatase

1835–45; < French < Greek anátasis, equivalent to ana- ana- + ta- (variant stem of teínein to stretch) + -sis -sis

Example sentences from the Web for anatase

British Dictionary definitions for anatase

anatase
/ (ˈænəˌteɪz) /

noun

a rare blue or black mineral that consists of titanium oxide in tetragonal crystalline form and occurs in veins in igneous rocks. Formula: TiO 2 Also called: octahedrite

Word Origin for anatase

C19: from French, from Greek anatasis an extending (referring to the length of the crystals), from anateinein to stretch out